GB8330561D0 - Motion detection systems - Google Patents

Motion detection systems

Info

Publication number
GB8330561D0
GB8330561D0 GB838330561A GB8330561A GB8330561D0 GB 8330561 D0 GB8330561 D0 GB 8330561D0 GB 838330561 A GB838330561 A GB 838330561A GB 8330561 A GB8330561 A GB 8330561A GB 8330561 D0 GB8330561 D0 GB 8330561D0
Authority
GB
United Kingdom
Prior art keywords
motion detection
detection systems
systems
motion
detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB838330561A
Other versions
GB2131547A (en
GB2131547B (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of GB8330561D0 publication Critical patent/GB8330561D0/en
Publication of GB2131547A publication Critical patent/GB2131547A/en
Application granted granted Critical
Publication of GB2131547B publication Critical patent/GB2131547B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
    • G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
    • G08B13/1627—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means using Doppler shift detection circuits
GB08330561A 1982-12-02 1983-11-16 Motion detection systems Expired GB2131547B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8234379 1982-12-02

Publications (3)

Publication Number Publication Date
GB8330561D0 true GB8330561D0 (en) 1983-12-21
GB2131547A GB2131547A (en) 1984-06-20
GB2131547B GB2131547B (en) 1986-10-29

Family

ID=10534684

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08330561A Expired GB2131547B (en) 1982-12-02 1983-11-16 Motion detection systems

Country Status (5)

Country Link
US (1) US4570247A (en)
EP (1) EP0113512B1 (en)
DE (1) DE3371130D1 (en)
ES (1) ES527712A0 (en)
GB (1) GB2131547B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2229303B (en) * 1989-03-14 1993-02-10 Shorrock Ltd Alarm signal processing means
DE9003065U1 (en) * 1989-04-12 1990-10-25 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
FR2648238A1 (en) * 1989-06-08 1990-12-14 Million Bernard Motor vehicle safety device using ultrasound to monitor the distance between vehicles
JP2593581B2 (en) * 1990-11-06 1997-03-26 アルパイン株式会社 Electromagnetic proximity sensor
EP0494349A3 (en) * 1991-01-11 1992-11-19 Telefunken Systemtechnik Gmbh Sensor for an interior, particularly in a motor vehicle
JP2820816B2 (en) * 1991-07-10 1998-11-05 アルパイン株式会社 Car security system
US5309147A (en) * 1992-05-21 1994-05-03 Intelectron Products Company Motion detector with improved signal discrimination
US5440290A (en) * 1993-06-07 1995-08-08 Tecsec Incorporated Proximity detection device for protection of personnel against exposure to hazardous radio frequency radiation
DE4445198A1 (en) * 1994-12-17 1996-06-20 Abb Patent Gmbh Arrangement with a motion detector
US5638048A (en) * 1995-02-09 1997-06-10 Curry; Robert C. Alarm system for swimming pools
EP1420376A1 (en) * 2002-11-14 2004-05-19 Ford Global Technologies, Inc. Combined alarm sensor and occupant detector
ES2469665T3 (en) * 2008-12-03 2014-06-18 Pepperl + Fuchs Gmbh Ultrasonic sensor with several switching outputs
US9733356B1 (en) * 2016-02-17 2017-08-15 Secure Bubble Ltd Detection of animate presence with an ultrasonic signal
US10557932B1 (en) * 2018-11-28 2020-02-11 Qualcomm Incorporated Clock oscillator detection

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB135893A (en) * 1918-10-30 1919-12-01 Kohler Co Improvements in or relating to the Process of Producing Cast Metal Objects.
GB1222871A (en) * 1968-04-23 1971-02-17 Advanced Devices Lab Inc Improvements in or relating to detection systems
GB1265027A (en) * 1968-05-29 1972-03-01
US3760400A (en) * 1972-02-10 1973-09-18 Aerospace Res Intrusion detection system employing quadrature sampling
US3885234A (en) * 1972-03-17 1975-05-20 Uro Electronics Ind Co Ltd Ultrasonic wave type alarm device for depicting a moving object
US3813669A (en) * 1972-03-27 1974-05-28 Kidde & Co Walter Frequency filter circuit apparatus
US3803539A (en) * 1972-07-20 1974-04-09 Detection Systems Inc Method and apparatus for detecting motion
CH556070A (en) * 1973-06-25 1974-11-15 Cerberus Ag ROOM PROTECTION SYSTEM WITH AT LEAST ONE ULTRASONIC TRANSMITTER AND AT LEAST ONE ULTRASOUND RECEIVER.

Also Published As

Publication number Publication date
EP0113512B1 (en) 1987-04-22
EP0113512A3 (en) 1984-12-12
ES8503874A1 (en) 1985-03-16
US4570247A (en) 1986-02-11
EP0113512A2 (en) 1984-07-18
ES527712A0 (en) 1985-03-16
GB2131547A (en) 1984-06-20
GB2131547B (en) 1986-10-29
DE3371130D1 (en) 1987-05-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931116